(CiscoPacketTracer is an auxiliary learning tool released by Cisco Enterprises. It provides a network simulation environment for beginners to design, configure, and troubleshoot network problems in Cisco network courses. The user can directly use the drag-and-drop method to build the network topology on the graphical user interface of the software, and can provide the specific management process of the data packets traveling in the network, and investigate the real-time operation status of the network. Able to learn IOS configuration, exercise troubleshooting ability.)
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